/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// Package uuid for common functions
package uuid

import (
	"errors"
	"reflect"
	"strings"
	"testing"
)

func TestNew(t *testing.T) {
	uid1 := New()
	uid2 := New()
	if reflect.DeepEqual(uid1.String(), uid2.String()) {
		t.Errorf("uid1 == uid2 failed")
	}
}

func TestMustUUID(t *testing.T) {
	uuid := mustUUID(RandomUUID{}, errors.New("uuid is empty"))
	newUUID := RandomUUID{}
	if uuid != newUUID {
		t.Errorf("mustUUID when err != nil failed")
	}
}

func TestNewRandomFromReader(t *testing.T) {
	r := strings.NewReader("")
	uuid, err := newRandomFromReader(r)
	newUUID := RandomUUID{}
	if uuid != newUUID || err == nil {
		t.Errorf("newRandomFromReader when r == \"\" failed")
	}
}
